目的采用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high resolution mass spectrometry,UPLC-Q/Orbitrap HRMS)技术建立全血中60种天然...目的采用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high resolution mass spectrometry,UPLC-Q/Orbitrap HRMS)技术建立全血中60种天然毒素的快速筛查方法。方法分析并记录60种天然毒素标准品的色谱和质谱信息,构建筛查数据库。全血用蛋白沉淀法配合超声辅助分散进行前处理,使用Hypersil GOLD^(TM)C_(18)色谱柱,以5 mmol/L甲酸铵水溶液(含0.1%甲酸)和乙腈为流动相进行梯度洗脱,在电喷雾电离正离子模式和全扫描/数据依赖二级扫描(Full MS/dd-MS^(2))模式下检测。基于构建的筛查数据库,采用TraceFinder软件实现全血中60种天然毒素的快速筛查。结果建立的全血中60种天然毒素的UPLC-Q/Orbitrap HRMS筛查方法,除氧化苦参碱(LOD为20ng/mL)和毒毛旋花子苷元(LOD为40ng/mL)外,其余58种天然毒素的LOD范围为0.05~5 ng/mL。结论该方法前处理简单、高效,可以实现对全血中60种天然毒素的快速筛查。展开更多
目的:探究欧洲医药保健网(Pharmaceutical Care Network Europe,PCNE)分类系统用于评价肾移植受者他克莫司浓度波动药物相关问题(drug related problems,DRPs)的作用。方法:以门诊随访中出现他克莫司血药浓度波动、临床药师介入干预的...目的:探究欧洲医药保健网(Pharmaceutical Care Network Europe,PCNE)分类系统用于评价肾移植受者他克莫司浓度波动药物相关问题(drug related problems,DRPs)的作用。方法:以门诊随访中出现他克莫司血药浓度波动、临床药师介入干预的肾移植受者为研究对象,利用PCNE(9.0)分类系统评价他克莫司的DRPs,并对存在DRPs的问题、原因、介入方案、介入方案的接受和状态进行分析。结果:本研究纳入2019年7月至2021年12月肾移植受者700例,发现1014个他克莫司DRPs。DRPs的问题包括发生药物不良事件(P2.1,60.16%)和治疗效果不佳(P1.2,39.84%);原因主要包括剂量选择(C3,43%)、其他(C9,38.4%)和药物选择(C1,9.41%);临床药师从受者层面(I2,98.92%)和药物层面(I3,1.08%)积极介入;介入方案(A1.1+A1.3)的接受率达98.62%,完全执行(A1.1)率达72.09%;79.29%的DPRs被全部解决或部分解决(O1.1和O2.1)。结论:临床药师可将PCNE用于评价他克莫司治疗药物监测(therapeutic drug monitoring,TDM)相关DRPs,助力TDM药学服务模式标准化,规范TDM异常结果解读和干预工作,促进安全合理用药。展开更多
Exosomes,ubiquitously present in body fluids,serve as non-invasive biomarkers for disease diagnosis,monitoring,and treatment.As intercellular messengers,exosomes encapsulate a rich array of proteins,nucleic acids,and ...Exosomes,ubiquitously present in body fluids,serve as non-invasive biomarkers for disease diagnosis,monitoring,and treatment.As intercellular messengers,exosomes encapsulate a rich array of proteins,nucleic acids,and metabolites,although most studies have primarily focused on proteins and RNA.Recently,exosome metabolomics has demonstrated clinical value and potential advantages in disease detection and pathophysiology,despite significant challenges,particularly in exosome isolation and metabolite detection.This review discusses the significant technical challenges in exosome isolation and metabolite detection,highlighting the advancements in these areas that support the clinical application of exosome metabolomics,and illustrates the potential of exosomal metabolites from various body fluids as biomarkers for early disease diagnosis and treatment.展开更多
文摘目的:探究欧洲医药保健网(Pharmaceutical Care Network Europe,PCNE)分类系统用于评价肾移植受者他克莫司浓度波动药物相关问题(drug related problems,DRPs)的作用。方法:以门诊随访中出现他克莫司血药浓度波动、临床药师介入干预的肾移植受者为研究对象,利用PCNE(9.0)分类系统评价他克莫司的DRPs,并对存在DRPs的问题、原因、介入方案、介入方案的接受和状态进行分析。结果:本研究纳入2019年7月至2021年12月肾移植受者700例,发现1014个他克莫司DRPs。DRPs的问题包括发生药物不良事件(P2.1,60.16%)和治疗效果不佳(P1.2,39.84%);原因主要包括剂量选择(C3,43%)、其他(C9,38.4%)和药物选择(C1,9.41%);临床药师从受者层面(I2,98.92%)和药物层面(I3,1.08%)积极介入;介入方案(A1.1+A1.3)的接受率达98.62%,完全执行(A1.1)率达72.09%;79.29%的DPRs被全部解决或部分解决(O1.1和O2.1)。结论:临床药师可将PCNE用于评价他克莫司治疗药物监测(therapeutic drug monitoring,TDM)相关DRPs,助力TDM药学服务模式标准化,规范TDM异常结果解读和干预工作,促进安全合理用药。
文摘Exosomes,ubiquitously present in body fluids,serve as non-invasive biomarkers for disease diagnosis,monitoring,and treatment.As intercellular messengers,exosomes encapsulate a rich array of proteins,nucleic acids,and metabolites,although most studies have primarily focused on proteins and RNA.Recently,exosome metabolomics has demonstrated clinical value and potential advantages in disease detection and pathophysiology,despite significant challenges,particularly in exosome isolation and metabolite detection.This review discusses the significant technical challenges in exosome isolation and metabolite detection,highlighting the advancements in these areas that support the clinical application of exosome metabolomics,and illustrates the potential of exosomal metabolites from various body fluids as biomarkers for early disease diagnosis and treatment.
